Whether you're carving intricate designs into hardwood, cutting clean lines in acrylic, or engraving serial numbers on stainless steel – this solid carbide engraving cutter does it all. Designed for CNC routers and engraving machines, this versatile bit delivers professional results across wood, plastics, and metals.

100% Virgin Tungsten Carbide – We use only premium, virgin carbide material, not recycled or lower-grade blends. This means harder edges, longer life, and cleaner cuts – job after job.
Keen Cutting Edge – Precision-ground for razor-sharp performance. Cuts smoothly with minimal burrs, so you spend less time sanding and finishing.
Mirror Finish Polishing – The polished surface reduces friction and heat buildup during high-speed routing. Less heat means longer tool life and better surface quality on your finished work.
High Wear Resistance – Engineered to stay sharp longer. Whether you're running production batches or one-off prototypes, this bit keeps cutting consistently.
| Specification | Detail |
|---|---|
| Material | Solid Tungsten Carbide (100% virgin) |
| Shank Diameter | 3.175 mm (1/8") – fits most CNC routers |
| Overall Length | 30 mm |
| Cutting (Flute) Length | 12 mm |
| Finish | Mirror polished |
| Compatible Machines | CNC routers, engraving machines, desktop milling machines |
This single engraving bit handles a surprisingly wide range of materials:
| Material | Application Examples |
|---|---|
| Hardwood | Furniture inlays, 3D relief carving, sign making |
| MDF / Density Board | Cabinet doors, decorative panels, prototyping |
| Two‑Color Engraving Board | Nameplates, control panels, industrial signage |
| Acrylic / Plastic | Display stands, illuminated signs, perspex parts |
| Aluminum | Lightweight components, nameplates, decorative trim |
| Copper / Brass | Circuit boards, decorative hardware, musical instruments |
| Stainless Steel | Industrial tags, serial number engraving, precision marking |
Carbide is one of the toughest materials used in cutting tools. Compared to high-speed steel (HSS) bits, carbide stays sharper up to 10 times longer, handles higher spindle speeds, and resists heat damage when cutting harder materials like stainless steel.
For CNC users, that means:
Fewer tool changes
Consistent cut quality across long runs
Less downtime and lower cost per part
Start with a test cut – Every machine is different. Run a sample piece to dial in your speed and feed settings.
Use proper chip evacuation – For deep cuts or dense materials, consider using compressed air or a light mist coolant to clear chips and reduce heat.
Secure your workpiece – Vibration is the enemy of clean engraving. Make sure your material is firmly clamped.
For stainless steel – Use conservative speeds and feeds, and consider using cutting fluid to extend tool life.
We offer this engraving cutter in a range of sizes to suit different applications.
| Shank Diameter | Overall Length (OAL) | Flute Length | Best For |
|---|---|---|---|
| 3.175 mm (1/8") | 30 mm | 12 mm | General purpose – our most popular size |
| 3.175 mm (1/8") | 38 mm | 17 mm | Deeper cuts in wood and plastics |
| 3.175 mm (1/8") | 50 mm | 20 mm | Deep cavity work, thick materials |
| 4 mm | 40 mm | 15 mm | Heavier routing, larger CNC machines |
| 6 mm | 50 mm | 20 mm | High‑volume production, aggressive material removal |
Other sizes and custom specifications available upon request.